17921961

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 28088424

約数和(自身を除く): 10166463

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 2857, 6273, 8571, 25713, 48569, 117137, 145707, 351411, 437121, 1054233, 1991329, 5973987, 17921961]

約数ペア:

[(1, 17921961), (3, 5973987), (9, 1991329), (17, 1054233), (41, 437121), (51, 351411), (123, 145707), (153, 117137), (369, 48569), (697, 25713), (2091, 8571), (2857, 6273)]